Requirements:

We will be using Cydia Impactorto install .IPA files to our device. You will need the .IPA file of the app you wish to install before we begin. DEB files are not supported by Cydia Impactor but can easily be converted to .IPA files.

If you are signing the app with your Apple ID (free), please note that the certificate will expire after seven days which you will then need to re-sideload the app again. Fortunately, it’s really easy and quick to sideload apps so it shouldn’t be too much trouble. Otherwise, an Apple Developer account will allow sideloaded apps to remain valid for a year.